<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>table</title>
</head>
<body>
 <table width="500" height="300" border="2" cellpadding="10" cellspacing="12" align="center">
<caption>人口普查</caption>
 <thead>
 <tr>
  <th>户口姓</th>
  <th>性别</th>
  <th>年龄</th>
 </tr>
 </thead>
 <tbody> 
 <tr> 
 <td rowspan="2">李</td> 
  <td>男</td>
  <td>30</td>
 </tr>
 <tr> 
  <td>男</td>
  <td>34</td>
 </tr>
 <tr> 
  <td>熊</td>
  <td colspan="2">女 未知年龄</td>
 </tr>
 </tbody>

 </table>
</body>
</html>